The operational amplifier of this circuit can be the 741. The circuit has very low consumption and can be powered by two 9-B batteries. Low voltage amplifiers can be used.
This circuit was obtained from Linear Technology documentation from the 80's. Powered by 5 V it...
We found this circuit in a 1967 Electronic design. However, it can be easily implemented even...
This circuit serves to prevent devices powered by 6 V from being left with a power cut. The...